Comparison Of Wall Insulation Types

R value measures how resistant types of insulation are to heat flow.

Comparison of wall insulation types.

It consists of flexible fibers most commonly fiberglass. When it comes to choosing the best internal wall insulation for your home there are two main criteria you need to consider. When certain types of plastic facers are applied the composite product can feature an r value of up to 3 8 at one inch. The best type of insulation for exterior walls is one that acts as a thermal break acts as a radiant barrier and has an insulated core.

Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. Insulation decreases the amount of heat entering from outside when it s hot and traps warmth inside when it s cold. R values vary based on the type thickness and density of the insulation material. Fiberglass rock wool or slag wool cellulose and spray foam.

When you compare insulation types you ll discover the many advantages of usa premium foam insulation. Older homes especially those pre dating the 1950s may employ two by fours that truly are 2 inches by 4 inches. You also can find batts and rolls made from mineral rock and slag wool plastic fibers and natural fibers such as cotton and sheep s wool. The higher the r value the higher the insulating capability.

Energy efficiency of insulation products are measured in r value or the resistance to heat flow. According to the building sciences corporation bsc all insulation types perform equally well when properly installed and air sealed. Spray foam spray foam insulation is generally used in areas where there are no wall cavities to contain other types of insulation on concrete slabs or unfinished walls. Eps insulation features an average r value of 3 6 per inch.

While rated differently these two types of insulation are close enough in thickness that they can both fit into modern two by four wall systems. Insulation is rated by its r value. The different types of insulation. Find your zone on the map and then use the chart to determine the level of insulation you need to properly insulate your attic walls floors and crawlspaces.

Understanding different insulation materials. What parts of your home need to be insulated and what are the r value recommendations for each of those areas. There are four main types of insulation products on the market today used for attics and wall cavities.